Espresso machine



FIG. 1 is a top, front, and left side perspective view of an espresso machine embodying our design;

FIG. 2 is a rear, bottom, and right side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the figures represent portions of the espresso machine that form no part of the claimed design. 

CLAIM We claim the ornamental design for an espresso machine, as shown and described. 